| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 3189 |
72.3%
|
| 2 | Mild | 547 |
12.4%
|
| 3 | Moderate | 427 |
9.7%
|
| 4 | Severe | 220 |
5%
|
| 5 | Extreme | 25 |
0.6%
|
| Sysmiss | 9 |